Pinpoint Test C: Unusual Starter Noise

Starting System

Pinpoint Tests

Pinpoint Test C: Unusual Starter Noise

This pinpoint test is intended to diagnose the following:
- Starter motor
- Starter motor mounting
- Starter motor engagement
- Flexplate ring gear


PINPOINT TEST C: UNUSUAL STARTER NOISE

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C1 CHECK THE STARTER MOUNTING


- Inspect the starter motor mounting bolts for looseness.
- Is the starter motor mounted correctly?

Yes
GO to C2.

No
INSTALL the starter motor correctly. REFER to Starter Motor Service and Repair. TEST the system for normal operation.

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C2 CHECK FOR ENGINE NOISE


- Turn the ignition switch to the OFF position.
- Connect a remote starter switch between the starter solenoid "B" and "S" terminals.
- Engage the starter and verify the noise is due to starter operation.
- Is the noise due to the starter motor engagement?

Yes
GO to C3.

No
REFER to Engine System - General Information Testing and Inspection to continue the diagnosis.

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C3 CHECK FOR UNUSUAL WEAR


- Remove the starter motor. Refer to Starter Motor Service and Repair.
- Inspect the flexplate ring gear for damaged or worn teeth.
- Is the noise due to flexplate ring gear tooth damage?

Yes
INSTALL a new flexplate. REFER to Engine - 2.0L Removal and Replacement. EXAMINE the starter pinion teeth. If damaged, INSTALL a new starter motor. REFER to Starter Motor Service and Repair. TEST the system for normal operation.

No
INSTALL a new starter motor. REFER to Starter Motor Service and Repair. TEST the system for normal operation.

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